The Donzi 16 Classic 2010 vs Donzi 28 ZXO 2005 comparison sits squarely in the category of decisions where specs alone won't tell the whole story — intended use, storage, and long-term ownership costs all factor in.
Size is the most obvious dividing line here. The Donzi 28 ZXO 2005 measures 27,0 feet overall (2005), giving it roughly 10,6 additional feet of deck space compared to the Donzi 16 Classic 2010 at 16,4 feet (2010). At 25 lbs and 65 lbs respectively, both sit in a similar weight class — either should pair comfortably with most mid-size SUVs and half-ton trucks, though always confirm your specific tow rating with the motor added.
The power gap is worth calling out. Rated to 700 hp, the Donzi 28 ZXO 2005 has a 440-hp advantage over the Donzi 16 Classic 2010's 260-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Fuel capacity breaks the other way: the Donzi 28 ZXO 2005 carries 94 gallons versus 32 gallons in the Donzi 16 Classic 2010. On a lake day that's negligible, but for coastal cruising or long reservoir runs the extra range matters.
For family outings this is probably the sharpest distinction between the two. The Donzi 28 ZXO 2005 is rated for 8 passengers, while the Donzi 16 Classic 2010 caps at 5. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Donzi 28 ZXO 2005 could be the deciding factor.
Bottom line: Choose the Donzi 28 ZXO 2005 if your priority is putting more people on the water — it handles 8 passengers and at 27,0 ft it has the deck room to back that rating up comfortably. The Donzi 16 Classic 2010 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 5 that costs less to run day-to-day.